On 06/21/2016 08:42 PM, Zhiqiang Hou wrote: <snip>
> + > +#ifdef CONFIG_ARMV8_PSCI > +/* > + * The PSCI_VERSION function is added from PSCI v0.2. When the PSCI > + * v0.1 received this function, the NOT_SUPPORTED (0xffff_ffff) error > + * number will be returned according to SMC Calling Conventions. But > + * when getting the NOT_SUPPORTED error number, we cannot ensure if > + * the PSCI version is v0.1 or other error occurred. So, PSCI v0.1 > + * won't be supported by this framework. > + * And if the secure firmware isn't running, return NOT_SUPPORTED. > + * > + * The return value on success is PSCI version in format > + * major[31:16]:minor[15:0]. > + */ > +unsigned int sec_firmware_support_psci_version(void) > +{ > + if (gd->sec_firmware & SEC_FIRMWARE_RUNNING) > + return _sec_firmware_support_psci_version(); > + > + return 0xffffffff; > +} > +#endif Does _sec_firmware_support_psci_version() always return version numbers? Any chance it returns an error code? York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot